The HX-2S-A2 is a circular 2S 8.4V BMS designed for 18650 lithium batteries, offering comprehensive protection features such as short circuit protection, overload protection, discharge protection, and overcharge protection. Its small size, excellent performance, and low cost make it suitable for a wide range of applications.
Key Features
Short Circuit Protection: Prevents damage from electrical shorts.
Overload Protection: Protects against excessive current draw.
Discharge Protection: Ensures batteries are not overly discharged, maintaining battery health.
Overcharge Protection: Prevents batteries from being charged beyond their capacity, ensuring longevity.
Usage Note
Heating Warning: If the battery heats up during use, it indicates that the battery is not compatible with this BMS. Continuing to use it can damage the battery.
Compatibility Restrictions: This protection board cannot be used with lithium iron phosphate batteries, hernia lamps, hand drill battery packs, electric fish machine battery packs, electric bicycle battery packs, children’s car batteries, 775 (4A) motors, or 1W fish eye LED lights.
Connection Points
B+: Connects to the battery positive terminal.
B-: Connects to the battery negative terminal.
MB: Connects between battery 1 and the connection point before battery 2.
P+: Charge/discharge side positive (shared for both charging and discharging).
P-: Charge/discharge side negative (shared for both charging and discharging).
This protection board is designed to ensure the safety and longevity of your lithium battery pack while being versatile and cost-effective for various applications.
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